Individuals with chronic pain commonly report significant functional impairment and reduced quality of life. Despite this, little is known about psychological processes and mechanisms underpinning enhancements in well-being within this population. The study aimed to investigate whether (1) increased levels of pain intensity and interference were associated with lower levels of mental well-being, (2) increased positive goal engagement was associated with higher levels of mental well-being and (3) whether the relationships between pain characteristics and mental well-being were mediated by increased positive goal engagement. A total of 586 individuals with chronic pain participated in the cross-sectional, online study. Participants completed ...